Quick answer: WordPress not working on WiFi usually means your router, DNS, VPN/proxy, firewall, or ISP is blocking access to WordPress domains or your site’s server. Switch to mobile data, disable VPN/proxy, change DNS to 1.1.1.1 or 8.8.8.8, and restart the router to confirm where the block is happening.
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Fix this issue faster
Most users apply the wrong fix. Use the correct path first.
Quick Fix Checklist
- Turn off VPN or proxy and reload WordPress on WiFi.
- Test WordPress on mobile data to confirm the WiFi-only failure.
- Change DNS on the device or router to Cloudflare 1.1.1.1 or Google 8.8.8.8.
- Restart the router and modem to clear stale routing or filtering.
- Check firewall, parental controls, or security filtering on the router.
- Try a different WiFi network to see whether your ISP or router is the cause.
Causes
When WordPress works on mobile data but not on WiFi, the problem is usually in the path between your device and WordPress, not WordPress itself.
| Cause | What it means | Fix |
|---|---|---|
| DNS resolution failure | Your WiFi is not resolving WordPress or your site’s domain correctly. | Switch DNS to 1.1.1.1 or 8.8.8.8 and flush the resolver cache. |
| VPN or proxy interference | A VPN or proxy is routing WordPress traffic through a blocked or broken path. | Disable VPN/proxy and retest on the same WiFi. |
| Router firewall or filtering | The router is blocking WordPress domains, ports, or CDN traffic. | Review firewall, content filtering, and security settings. |
| ISP or carrier filtering | Your internet provider is blocking or misrouting WordPress-related traffic. | Test another network or contact the ISP with the affected domain. |
| Bad WiFi routing | The WiFi network has a routing issue, stale lease, or broken IPv6 path. | Renew the connection, restart the router, or disable IPv6 temporarily. |
Step-by-Step Fix
- Confirm the problem is WiFi-specific by opening WordPress on mobile data. If it works on mobile data, the issue is almost certainly your WiFi path.
- Disable any VPN or proxy on the device, then reload WordPress. If WordPress loads after this, the VPN or proxy is the blocker.
- Change DNS on the device or router to 1.1.1.1 and 1.0.0.1, or 8.8.8.8 and 8.8.4.4. This fixes many cases where WordPress fails to resolve or loads inconsistently on WiFi.
- Restart the router and modem, then reconnect to WiFi. This clears stale routing tables, DHCP issues, and temporary filtering problems.
- Check router firewall, parental controls, ad blocking, and security features. Temporarily disable them and test WordPress again.
- Forget the WiFi network on the device, reconnect, and renew the IP lease. This can fix a broken local route or DNS assignment.
- Test IPv4-only access by temporarily disabling IPv6 on the router or device if WordPress times out on WiFi but loads elsewhere. Some networks fail on partial IPv6 routing.
Still Not Working
- Run a DNS lookup for your WordPress domain from the WiFi network and compare it with mobile data. If the IPs differ unexpectedly, the DNS path is the issue.
- Use a traceroute or path test to see where traffic stops between your WiFi and the WordPress server. A break near the first hop points to the router or ISP.
- Try a different WiFi network, such as a hotspot or office network. If WordPress works there, your home router or ISP is the likely cause.
- Contact your ISP and ask whether they are filtering, rate-limiting, or misrouting traffic to the affected WordPress domain or hosting provider.
- If you manage the router, temporarily bypass custom DNS, security filtering, or DNS-over-HTTPS controls to isolate the failing layer.
Frequently Asked Questions
Why does WordPress work on mobile data but not on WiFi?
That usually means your WiFi network is blocking, misrouting, or failing to resolve WordPress traffic while mobile data is not.
Can DNS cause WordPress not working on WiFi?
Yes. A bad DNS server can prevent WordPress domains from resolving correctly on WiFi.
Should I disable VPN if WordPress does not load on WiFi?
Yes. VPNs and proxies often change routing enough to break access to WordPress or your site’s server.
Can my router block WordPress?
Yes. Router firewall rules, content filters, and security features can block WordPress domains or related CDN traffic.
What DNS should I try first?
Try Cloudflare DNS first: 1.1.1.1 and 1.0.0.1. If that fails, test Google DNS: 8.8.8.8 and 8.8.4.4.
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